package com.servlets;

import java.io.IOException;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import javax.naming.NamingException;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import com.MessageService;
import com.domain.Message;


public class DisplayMessagesServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;


    public DisplayMessagesServlet() {
        super();
    }


    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        ServletContext servletContext = this.getServletContext();
        WebApplicationContext webcontext = WebApplicationContextUtils.getRequiredWebApplicationContext(servletContext);
        MessageService messageService = (MessageService) webcontext.getBean("messageService");

        List<Message> list = new ArrayList<Message>();
        try {
            list = messageService.getMessages();
        } catch (ClassNotFoundException | SQLException | NamingException e) {
            e.printStackTrace();
        }
        request.getSession().setAttribute("messages", list);
    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doGet(request, response);
    }

}
